MC68306FC16 Datasheet, PDF (174/191 Pages) Motorola, Inc – Integrated EC000 Processor

8.9 AC ELECTRICAL SPECIFICATIONS—BUS ARBITRATION (The electrical
specifications in this document are preliminary. See Figures 8-6–8-7)
16.67 MHz
Num
Characteristic
Min Max Unit
7 CLKOUT High to Address, Data Bus High Impedance (Maximum)
— 50 ns
16 CLKOUT High to Control Bus High Impedance
— 50 ns
33 CLKOUT High to BG Asserted
— 40 ns
34 CLKOUT High to BG Negated
— 40 ns
35 BR Asserted to BG Asserted
1.5 6.5 Clks
36 BR Negated to BG Negated
1.5 3.5 Clks
37 BGACK Asserted to BG Negated
37A2 BGACK Asserted to BR Negated
1.5 3.5 Clks
20 ns 1.5 Clks
38 BG Asserted to Control, Address, Data Bus High Impedance (AS Negated) — 50 ns
39 BG Width Negated
1.5 — Clks
47 Asynchronous Input Setup Time
10 — ns
57 BGACK Negated to Bus Driven
1
— Clks
58 BR Negated to Bus Driven
1
— Clks
CLK
47
BR
BG
AS
DS
R/W
FC2–FC0
A19–A0
D7–D0
8-10
33
35
39
38
16
47
34
36
58
7
Figure 8-6. Bus Arbitration Timing Diagram
MC68306 USER'S MANUAL
MOTOROLA